FLOWERING FERN. 183 
_ pinnules are linear, eacialty alternate, oanohel ‘ip 
the midvein only, rounded at the tip, with the exvep- 
, exhibit the apex of a sical in a leafy or barren 
d to the very tip, where it 
much as in other ferns. The lateral veins 
t from the midvein, soon after leaving 
forked, and one or both of the branches 
and all the branches run in 
